If you’re using any of the “popular” search engines today, you’re NOT getting all the results that are there, you’re only seeing the results that Bing, Yahoo, or Google want you to see. Don’t take my word for it, watch this TEDTalk to learn how this operates: Beware Online Filter Bubbles.
If you’re looking for search engines that let you see what’s there rather than what they think you want (or should!) see, try these on for size:
DuckDuckGo.Com
Ixquick.com
StartPage.Com
YaCy.Net